Merge pull request #4142 from nielskaspers/fix/issue-3981-case-insensitive-login

fix: make username login case-insensitive

src/queries/prisma/user.ts

@@ -46,7 +46,7 @@ export async function getUser(userId: string, options: GetUserOptions = {}) {
 }
 
 export async function getUserByUsername(username: string, options: GetUserOptions = {}) {
-  return findUser({ where: { username } }, options);
+  return findUser({ where: { username: username.toLowerCase() } }, options);
 }
 
 export async function getUsers(criteria: UserFindManyArgs, filters: QueryFilters = {}) {